在此临界条件下，获得了临界爆轰胞格结构、沿壁面的速度和峰值压力曲线及流场波系演变特征。
Under this critical condition, the cellular pattern, the velocity and maximum pressure along the wall and the wave evolution of marginal detonation were obtained.
利用光学和电子显微镜对玉米C型胞质雄性不育系和保持系的花药与小孢子发育过程进行对比观察。
The development processes of anthers and microspores of C-cytoplasmic male-sterile lines and its maintainers in corn were observed and compared by the light and the electron microscope.
盘尼西林的半合成衍生物，在治疗由革兰氏阴性细菌的某些过敏性菌系，如假单胞菌和变形杆菌引起的感染方面有疗效。
A semisynthetic derivative of penicillin that is effective in the treatment of infections caused by certain susceptible strains of Gram-negative bacteria, such as Pseudomonas and Proteus.
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